trisectrix


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trisectrix

[trī′sek·triks]
(mathematics)
The planar curve given by x 3+ xy 2+ ay 2- 3 ax 2= 0 which is symmetric about the x axis and asymptotic to the line x = -a ; this is useful in studying the trisection of an angle problem. Also known as trisectrix of Maclaurin.